1. Planar High-Thrust and Low-Thrust Orbital Transfers from Earth to Europa

   • Hans Seywald
   • Carlos M. Roithmayr
   • Sang-Young Park

   Original Article 23 August 2020 Pages: 421 - 439

2. Lambert’s Theorem—A Complete Series Solution

   • James D. Thorne

   Original Article 23 August 2020 Pages: 441 - 454

3. Risk of Collision for the Navigation Constellations: The Case of the Forthcoming Galileo

   • A. Rossi
   • G. B. Valsecchi
   • E. Perozzi

   Original Article 23 August 2020 Pages: 455 - 474

4. Formation Pointing Dynamics of Tether-Connected Architecture for Space Interferometry

   • Claudio Bombardelli
   • Enrico C. Lorenzini
   • Marco B. Quadrelli

   Original Article 23 August 2020 Pages: 475 - 493

5. Initialization of Distributed Spacecraft Formations

   • Scott R. Ploen
   • Daniel P. Scharf
   • Marwan Bikdash

   Original Article 23 August 2020 Pages: 495 - 515

6. Adaptive Dynamic Inversion Control with Actuator Saturation Constraints Applied to Tracking Spacecraft Maneuvers

   • Monish D. Tandale
   • John Valasek

   Original Article 23 August 2020 Pages: 517 - 530

7. Variable Speed Control Moment Gyroscopes for Reorientation Maneuvers of Rigid Spacecraft

   • Giulio Avanzini
   • Guido de Matteis

   Original Article 23 August 2020 Pages: 531 - 548